Lockheed Martin
Lockheed Martin's mysterious hypersonic aircraft known as SR-72 appears to be continuing its march toward service, but the program is not immune from the Air Force's broader budgetary woes.
Lockheed Martin
Lockheed Martin's mysterious hypersonic aircraft known as SR-72 appears to be continuing its march toward service, but the program is not immune from the Air Force's broader budgetary woes.
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